• Monday

    — University of Hong Kong Laboratory for Space Research (HKU-LSR), National Astronomical Observatories of the Chinese Academy of Sciences (NAOC-CAS), Chilean Astronomical Society,
    Hong Kong, China
    The 7th China-Chile Bilateral Astronomy Conference for 2026 will be organized by the Laboratory for Space Research, FoS, the University of Hong Kong, in collaboration with the...

    Tuesday

    — Lunar Exploration Analysis Group (LEAG),
    Laurel MD, USA
    At Johns Hopkins University Applied Physics Laboratory or online, registration required, no fee. In-person attendees who self-identify as early career or new to the lunar community are...
    Free

    Wednesday

    — National Science Foundation (NSF),
    Online / Washington DC, USA
    From 15:00-16:00 EST, National Science Foundation (NSF) Growing Convergence Research (GCR) working group will provide guidance on preparing GCR proposals, address frequently asked questions and be available...
    — Space Foundation Discovery Center,
    Colorado Springs CO, USA
    Homeschool Days is specially designed for K-12 students and families to offer exciting hands-on activities and workshops throughout the Discovery Center; 10:00-16:00 MST. Event Details: Do you...

    Thursday

    — Howard Astronomical League,
    Columbia MD, USA
    Hubble Space Telescope Outreach Coordinator Faith Vowler of NASA will present at this public meeting, 19:00; online option available; at Robinson Nature Center, 6692 Cedar Lane.

    Friday

    Saturday

    — ISS Partners (NASA, Roscosmos, JAXA, ESA and CSA-ASC),
    Low Earth Orbit (LEO)
    Visible at -3.9 magnitude, the International Space Station will travel over Hawaiian Islands from NW to SE, rising at 04:48:07 to 04:54:02 HST.
    — British Interplanetary Society (BIS),
    Online
    BIS West Midlands event 14:00-15:15 UT; In the early 2020s, the heads of NASA, Roscosmos and the China National Space Agency criss-crossed Africa, Asia and the Americas...

    Sunday

    — China National Space Administration (CNSA),
    Low Earth Orbit (LEO)
    Beginning 06:20:51 HST from the SSW, Tiangong will make a visible pass at brightest magnitude 1.2 over Hawaiian Islands, setting 06:29:49 in the ENE.

    Monday

    — American Institute of Aeronautics and Astronautics (AIAA),
    Hyatt Regency Orlando Orlando, FL, United States
    AIAA SciTech Forum—the premier aerospace R&D event of the year exploring the science, technologies, and capabilities that are transforming aerospace.

    Tuesday

    — NASA Small Bodies Assessment Group (SBAG),
    Baltimore MD, USA
    At the Johns Hopkins University Mt. Washington campus in Baltimore MD and online. Early-career researchers and students are encouraged to apply for both early-career opportunities and travel...

    Wednesday

    Thursday

    — Griffith Observatory,
    Los Angeles CA, USA
    Griffith Observatory broadcasts this public program live 19:00-20:30 PST from the Leonard Nimoy Event Horizon Theater. Join the Observatory's curatorial staff as they examine and explain the...
    — GW:UK,
    Nottingham, UK
    1st meeting of the GW:UK initiative to bring researchers to celebrate 10 years of gravitational wave discoveries and engage in community-building activities; at University of Nottingham.

    Friday

    — International Astronautical Federation (IAF),
    Online
    International Astronautical Federation recognizes achievements in the space community via many awards, such as World Space, International Cooperation, Hall of Fame, Diversity, Excellence in Industry, more. Submit...
    — Universities Space Research Association (USRA), Lunar and Planetary Institute (LPI),
    Online
    10-week paid internship runs June 8 - August 15 2026 in Houston TX to provide training in analytical and lab skills in planetary science, with focus on...

    Saturday

    — Nichelle Nichols Foundation,
    Huntsville AL, USA
    Offering space, aviation and robotics program for girls ages 14-18, inspiring young women to aim for the stars.
    — Society of Photo-Optical Instrumentation Engineers (SPIE),
    San Francisco CA, USA
    SPIE Photonics West and subconference on Optical Power Delivery, key to development of Space Solar Power.

    Monday

    — University of Groningen, Space Research Organisation Netherlands,
    Groningen, Netherlands
    In-person registrations for the conference are full // Registration for virtual participation is open. The planets that are best understood are the four terrestrial planets of our own...

    Tuesday

    — Committee on Space Research (COSPAR), Aalto University,
    Espoo, Dipoli, Finland
    FinCOSPAR, EXPO, Remote Sensing Days.

    Friday

    — University of Hawai`i at Hilo, University of California Observatories,
    Online
    10-week summer program June 1 - August 7, 2026, for STEM undergraduates to gain work experience at observatory, company or science/ / technical facility. STEM majors include...
    — Cornell Spacecraft Planetary Image Facility,
    Online
    Facilitated by Cornell Spacecraft Planetary Image Facility (SPIF). Introduces features and tasks most-relevant to planetary science, setting up a project, images, sketches and data use.

    Saturday

    — Astronaut Scholarship Foundation (ASF),
    West Palm Beach FL, USA
    NASA Astronauts Bob Crippen and Chris Ferguson will share personal highlights, stories and special moments of these historic flights, 45 years after STS-1 and 15 years after...
    $1,000

    Sunday

    — SpaceX,
    Starbase, 25.9°N, Boca Chica TX, USA
    12th flight of the two-stage Starship vehicle projected to launch late this month on suborbital test flight.

    Tuesday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Increasing space awareness and education, remembrances and events honor three Apollo 1 crew members lost in 1967 during a launch pad test: Command Pilot Virgil “Gus” Grissom,...
    — Ministry of Education, Innovation and Talent Development (MEITD) Sarawak, Borneo Business Connect Sdn Bhd,
    Kuching, Sarawak, Malaysia
    APACE 2026 will serve as a premier aerospace event for over 1,000 professionals from more than 50 countries. It aims to establish Sarawak as Borneo’s aerospace hub...

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Educational and ceremonial events held worldwide to advance space technology / education and honor 7 crew members killed in Shuttle accident 28 January 1986: Commander Francis R....
    — Johns Hopkins University Applied Physics Lab (JHU-APL),
    Online
    Monthly teleconference on Excavation & Construction focus group (LSIC), covering lunar regolith handling, construction techniques, and infrastructure for missions.
    — SpaceCom, National Aeronautics and Space Administration (NASA), Lockheed Martin, Dell,
    Orlando FL, USA
    Commercial Space Week from January 28-30, 2026, which includes the Space Mobility Conference (January 28-30) and GSA Spaceport Summit (January 27).
    — Nikkan Kogyo Shimbun Ltd,
    Tokyo, Japan
    Including collaborative project "Lunar Development Forum -NIKKANKOGYO MOON PRESS", this exhibition attracts global companies, academic institutions, government agencies, and startups eager to showcase cutting-edge space technologies and...

    Friday

    — Centre National D’études Spatiales (CNES),
    Online
    International innovation contest -- hackathon -- joined in 100+ cities in 5 continents, aimed at imagining the products and solutions of tomorrow using space data and technology.
    — Centre National D’études Spatiales (CNES), European Space Agency (ESA),
    Worldwide
    24-hour worldwide, biennial hackathon for individuals and teams of 2-5. 100+ locations will send a winner to Bordeux, France for international finals April 1-2, winners of which...

    Saturday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    American Artemis Return to the Moon For Good is underway, Mars attention and planning advancing, Outer Solar System search for life ongoing, and Interstellar craft on outgoing...
    — American Institute of Aeronautics and Astronautics (AIAA) Los Angeles Section,
    Lawndale CA, USA
    40th Anniversary Event for the Space Shuttle Challenger Tragedy. Michelle Evans will speak, lead discussion and present 2 of her documentary films: On the Way to the...
  • Sunday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Annual international conferences and events take place to further space exploration efforts in remembrance of Columbia 7 loss: Commander Richard D. Husband, Mission Specialist Laurel Clark, Payload...
    — China National Space Administration (CNSA),
    Mars Orbit
    China Tianwen-1 orbiter reaches 5 full years / begins 6th year of operations in Mars orbit; Lander & Rover touched down ~3 months after this date at...

    Monday

    — Office for Space Technology & Industry Singapore (OSTIn), Singapore Economic Development Board (EDB Singapore),
    Marina Bay Sands / Sands Expo and Convention Centre , Singapore
    Space Summit 2026 is a space-focused conference with a boutique exhibition, highlighting trends, challenges and opportunities in the global space industry. As the only space show in...
    — International Association of Geomorphologists, ANZGG, University of Canterbury,
    Christchurch, New Zealand
    Includes track on planetary geomorphology for all Solar System bodies and exoplanets
    — Gemini Observatory, National Optical-Infrared Astronomy Research Laboratory (NOIRLab), Maunakea Observatories,
    Statewide Hawai’i, USA
    Annual event in its 22nd year, inviting STEAM professionals and Maunakea Observatories staff to participate in 200+ Hawai'i classroom visits, career panels, and community events.

    Tuesday

    — Civial Aviation Authority of Singapore (CAAS), Changi Airport Group, Singapore Exhibition and Convention Bureau,
    Changi Exhibition Centre 9 Aviation Park Rd, Singapore, Singapore
    Singapore Airshow is one of the world’s most influential international aerospace and defence exhibitions, providing a platform for stakeholders to forge strategic alliances and collaborate to shape...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    SLC-39B, Kennedy Space Center FL, ~29°N, USA
    Planned 1st fully-crewed Orion Moon flight to last 10-14 days with 3 USA and 1 Canada Astronaut: Commander Reid Wiseman, Pilot Victor Glover, Mission Specialists Christina Koch...
    — Kanagawa Prefectural Government,
    Yokohama, Japan
    At Minato Mirai - Yokohama. The first space summit organized by a prefectural government in Japan.

    Friday

    — California Institute of Technology (Caltech),
    Pasadena CA, USA
    Driven by great progress in exoplanet research over the past two decades, the field of high contrast imaging is assuming a larger and larger role in the...

    Monday

    — United Arab Emirates Space Agency (UAESA),
    Mars Orbit
    UAE Hope Orbiter, studying Mars atmosphere and climate, reaches 5 full years / enters 6th year in Mars orbit today; launched July 19, 2020 on JAXA H2A...

    Tuesday

    — SmallSat Symposium,
    Computer History Museum
    Three day conference which unlocks the business and financial knowledge required to leverage smallsat innovation and cutting-edge technology into next generation solutions.
    $1,695
    — International Committee on Global Navigation Satellite Systems (ICG), Interagency Operations Advisory Group (IOAG), United Nations Office of Outer Space Affairs (UNOOSA),
    Vienna, Austria
    The Moon is a primary focus for space activities around the world in the coming decades, including orbiters, landers, rovers, human activities, science, and both short- and...

    Wednesday

    — Maryland Space Business Roundtable (MSBR),
    Greenbelt MD, USA
    11:30-13:00 EST, with Jim Bridenstine, Managing Partner for The Artemis Group, the 13th Administrator of NASA, where he was responsible for managing its 70,000-person workforce and $23...

    Sunday

    Tuesday

    — Lunar Calendar,
    China (Zhongguo) / Worldwide
    Lunar New Year 2026 Spring Festival marks the Year of the Horse.

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Mars Surface
    Mars 2020 Perseverance Rover reaches 5 full years / enters 6th year on Mars surface having landed in Jezero Crater on this day in 2021; it carried...
    — Space Foundation,
    Dallas TX, USA
    Focus is on innovative financing models; invited are executives, financiers. investors, public-sector leaders; discussed will be Texas Space Commission US$300M in grant funding. At JW Marriott Dallas...
    $1250 – $1500
    — International Academy of Astronautics (IAA), University of Texas at Austin (UT), Strauss Center for International Security and Law,
    Austin TX, USA
    Sponsored by the Space Security, Safety, and Sustainability (SSSS) Program at The University of Texas at Austin’s (UT) Strauss Center for International Security and Law in partnership with the...

    Thursday

    — Griffith Observatory,
    Los Angeles CA, USA
    Griffith Observatory broadcasts this public program live 19:00-20:30 PST from the Leonard Nimoy Event Horizon Theater. Join the Observatory's curatorial staff as they examine and explain the...

    Sunday

    — Intuitive Machines (IM),
    Near Malapert A Crater, 80.13° S 1.44°E, Moon Surface
    Second annual observation of 1st successful commercial lunar landing on Moon by Intuitive Machines IM-1 Nova-C Lander "Odysseus". This mission also marks the USA first return to...

    Monday

    — Indian Space Research Organisation (ISRO), North Eastern Space Applications Centre (NESAC),
    Meghalaya, Shillong, India
    A biennial event organized by ISRO for researchers working in the fields of atmospheric, space and planetary sciences, astronomy and astrophysics, and the exploration of solar system bodies....

    Tuesday

    — Beyond Earth Institute,
    Washington DC, USA
    From Space Habitat to Space Town: Creating a Clear Pathway. Speakers include Pete Worden, Bhavya Lal, Kevin Coggins. Subjects include Lunar Territorial Allocations, Space Governance Models. At...
    $65 – $695

    Wednesday

    — American Institute of Aeronautics and Astronautics (AIAA),
    League City TX, USA
    Taking place at South Shore Harbour Resort & Conference Center in League City, Texas; ASCENDxTexas is where leaders from government, industry, and academia come together to collaborate on...
  • Monday

    Tuesday

    — National Aeronautics and Space Administration (NASA), Association of Spaceflight Professionals (ASP),
    Online
    For more information, visit the NASA Human Research Program Investigators' Workshop event page; this year's event will be held in a virtual format only.  Continue to visit the...

    Monday

    — Lunar and Planetary Institute (LPI), Universities Space Research Association (USRA),
    The Woodlands TX, USA
    Expecting 2,000+ for the latest science, research, discoveries; at Waterway Marriott and online
    $400 – $700

    Friday

    — Sun-Earth,
    Global / Inter-Global
    Occurs 04:45 HST / 14:45 UTC; March equinox is known as the vernal equinox (or spring equinox) in the Northern Hemisphere and as the autumnal equinox (or...

    Sunday

    TBD, Botswana
    Part of AfAS-2026 Annual Conference (Botswana), In collaboration with NASA SSERVI Features presentations on lunar science, planetary exploration, and human spaceflight to the Moon and beyond. Call...

    Monday

    — Access Intelligence LLC,
    Walter E. Washington Convention Center
    Satellite industry first and largest experience of the year — uniting commercial innovators, government and military decision-makers, and end-users from 110+​ ​countries in Washington, D.C.
    $149

    Monday

    — UzCosmos National Space Agency of Uzbekistan,
    Tashkent, Uzbekistan
    5th conference to convene space agencies, satellite operators, startups; expecting 400+ delegates, 40+ speakers, 25 exhibitors.
    £995 – £1195
  • Wednesday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Commemorations occur today in honor of 1st ever NASA Space Shuttle Columbia carrying John Young and pilot Robert Crippen around Earth on 54.5-hour mission in 1981.
    — United Launch Alliance (ULA),
    SLC-41, Cape Canaveral SFS FL, ~28°N, USA
    NET Apr — Launch Atlas V / Starliner: Next launch of Starliner crew vehicle set to occur "early 2026", unknown whether craft will carry crew on this...

    Friday

    — Hawai'i, USA,
    Statewide Hawai’i, USA
    Recognized proclamation to celebrate the first-ever imaged black hole M87* by Event Horizon Telescope collaboration involving Mauna Kea Observatories, given the Hawaiian name Pōwehi; imaged in April 2017 and...

    Sunday

    — Yuri's Night,
    Worldwide
    Launching parties around the world every year on or around April 12th, in commemoration of Yuri Gagarin becoming the first human to venture into space on April...

    Monday

    — Space Foundation,
    Colorado Springs CO, USA
    Theme: Building Capacity Through Innovation and Collaboration. Expecting 10,000+ registrants, 247 exhibitors, 24 space agencies, 1500+ organizations. At The Broadmoor Hotel & Cheyenne Mountain Resort.
    Free
    — American Society of Civil Engineers (ASCE), Texas A&M University,
    College Station TX, USA
    20th International Conference on Engineering, Science, Construction and Operations in Challenging Environments: ASCE Earth & Space 2026

    Wednesday

    — Johns Hopkins University Applied Physics Lab (JHU-APL),
    Laurel MD, USA
    AIAA secret/NOFORN event covering the strategic, programmatic, and technical topics and policy issues pertaining to the aerospace and defense community.

    Saturday

    Sunday

    — The Planetary Society,
    Washington DC, USA
    Annual advocacy event that connects space advocates with their members of Congress in Washington D.C.

    Tuesday

    — Comet C/1861 G1 (Thatcher),
    Worldwide
    Best seen from Northern Hemisphere, with a lower hourly rate in the Southern Hemisphere, Lyrids seem to stream from the Constellation Lyra. They actually derive from the...

    Friday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft with 2.4-meter diameter main telescope begins 37th year in space today, launched Apr 24, 1990; could continue operations until 2040s.
    — China National Space Administration (CNSA),
    China (Zhongguo)
    Commemorating the launch of China’s first satellite, Dongfanghong-1 on April 24, 1970.

    Monday

    — Sophia Centre for the Study of Cosmology in Culture, University of Wales Trinity Saint David, Yildiz Technical University,
    Istanbul, Türkiye
    Planned topics include star and constellation myth and imagery; modern and ancient astronomy of China, India, Central Asia, West Asia, North Africa, the Eastern Mediterranean and Europe.
  • Friday

    — International Lunar Observatory Association (ILOA Hawai'i),
    Scarsdale NY, USA
    Wendy Crumrine to present "First Women on the Moon" to Scarsdale High School (SHS) students, marking another Galaxy Forum for the SHS Centennial Plaque.
    — International Space Day,
    Worldwide
    First Friday in May, events and presentations to promote STEM education and inspire people to continue the work of Space explorers; originally began as ‘National Space Day’...

    Sunday

    — European Geosciences Union,
    Vienna, Austria
    Includes Lunar Session for discussion of the latest advancement in lunar science, exploration and sustainable utilization, including the deep interior, subsurface structure, surface morphology, up to atmospheric...
    Free – €765

    Monday

    — International Astronomical Union (IAU),
    Hong Kong, China
    The Asia Pacific Regional International Astronomical Union (IAU) Meeting is a highly anticipated gathering that convenes astronomers, researchers, and enthusiasts from countries across the Asia Pacific region....

    Tuesday

    — NordSpace,
    Ottawa, Ontario, Canada
    With theme Building a Spacefaring Nation, expects ~400 attendees with added technical content track; at Canada Aviation and Space Museum.

    Thursday

    — China National Space Administration (CNSA),
    Utopia Planitia, 25.1°N 109.9°E, Mars Surface
    Tianwen-1 Lander and Zhurong Rover celebrated today for China's first successful landing on Mars; craft landed on this day in 2021 in Utopia Planitia, Mars Surface.

    Monday

    Tuesday

    — American Institute of Aeronautics and Astronautics (AIAA), Commercial Space Federation (CSF), Space Force Association, Space Generation Advisory Council (SGAC), Lockheed Martin, ISS National Laboratory,
    Washington DC, USA
    Accelerating Space Commerce, Exploration, and New Discovery

    Thursday

    — China National Space Administration (CNSA),
    Earth-Moon L2 Lagrange point
    China Queqiao “bridge of magpies” satellite reaches 8 full years / enters 9th year in space today, launched 2018 to provide far side communications to Earth from...

    Monday

    — USA Congress,
    Nationwide USA
    NASA Artemis program to land 1st Woman and Person of Color on Moon is well underway as today is recognized for Kennedy declaring to congress “I believe that...

    Tuesday

    — von Karman Institute for Fluid Dynamics,
    Brussels, Belgium
    Organized by the von Karman Institute for Fluid Dynamics, the 32nd AIAA/CEAS Aeroacoustics Conference (Aeroacoustics 2026) is the premier international forum dedicated to aeroacoustics research and innovation....
    €475
  • Monday

    — China National Space Administration (CNSA),
    Apollo Basin, 153.99° W 41.63° S, Moon Surface
    Chang'E-6 mission is commemorated, having landed on this day in 2024, and returning the first-ever samples from the lunar farside to Earth.
    — Rocket Lab,
    Launch Complex 1, Mahia Peninsula, New Zealand
    Launch Electron / Venus probe: Independent mission to Venus developed by Rocket Lab and MIT to send tiny probe flying in atmosphere for 5 minutes at altitude 48-60...

    Tuesday

    — Space Resources Roundtable (SRR),
    Golden CO, USA
    As it has done since 1999, this conference will bring together world experts from space agencies, research organizations, academia, the space private sector, the mining supply chain,...
    — International Astronautical Federation (IAF), Rwanda Space Agency (RSA),
    Kigali, Rwanda
    Uniting Space and Earth for Climate Resilience. The conference will bring together the international community, space agencies, industry, government, academia and NGOs, and representatives of non-space sectors...
    — South African Radio Astronomy Observatory (SARAO), ZA Space, GMN Fairs, Hauweng, Advanced Business Events,
    Pretoria, South Africa
    Expecting 300 exhibitors, 500 companies, 25 countries, 3,000 B2B (business to business) meetings

    Thursday

    Friday

    Monday

    — Universities Space Research Association (USRA), Lunar and Planetary Institute (LPI),
    Houston TX, USA
    10-week paid summer academy for analytical and laboratory skills in planetary sample science. At LPI, near NASA Johnson.

    Tuesday

    — Canadian Astronomical Society (CASCA),
    Montréal, Quebec, Canada
    We are delighted to invite you to the Canadian Astronomical Society's Annual General Meeting, CASCA 2026: MIL-ion Futures of Astrophysics, taking place from June 9-11, 2026 at the Université de...

    Saturday

    Tuesday

    — Lunar Calendar,
    Worldwide
    New Year 1 Muharram (1st day) to begin at sunset on Jun 16; if young New Moon is not visible the beginning of the month and year...

    Sunday

    — European Lunar Sympsoium (ELS) Organizers, Open University, Solar System Exploration Research Virtual Institute (SSERVI),
    Nancy, France
    Annual international conference that brings together around 200 researchers, engineers, and professionals working on lunar science and exploration. Hosted each year in a different European city, ELS...

    Monday

    — Spaceland, Italy, Space Summits,
    Rome, Italy
    Meeting is dedicated entirely to the latest developments in all Astronomy, Astrophysics and Space Science related themes. The conference will highlight particular areas of promising technological development,...

    Tuesday

    Thursday

    — SatCom Industry Association (SIA-India),
    New Delhi, India
    Theme is Pioneering Innovations in Space Technology: India’s Journey towards Global Partnerships; key topics include entrepreneurship, legal aspects, lunar exploration. 850+ participants expected from 36+ countries, for...
    $100 – $275

    Saturday

  • Wednesday

    — Space Age Publishing Company (SPC), Interstellar University LLC,
    Topeka KS, USA
    Hosted at the Kansas State Capitol Building, invited participants will advance the long-range vision of an Interstellar University in the Ad Astra State; email to learn more.
    — Japan Aerospace Exploration Agency (JAXA),
    Asteroid 98943 Torifune Trajectory
    JAXA Hayabusa 2 mission to flyby S-type asteroid 98943 Torifune this month and rendezvous with asteroid 1998 KY26 in 2031, after returning samples from (162173) Ryugu to...
    — SpaceX,
    SLC-39A, Kennedy Space Center FL, ~29°N, USA
    NET Q3 — Under US$77.5M NASA CLPS contract, IM 3rd mission using Nova-C, to Reiner Gamma ‘lunar swirl’ 7.5°N, 59.0°W with 4 NASA payloads: Lunar Vertex, CADRE, MoonLIGHT retroreflector, LUSEM; various private payloads.

    Saturday

    — China National Space Administration (CNSA),
    Near-Earth Object (NEO)
    China asteroid sample return mission, to arrive at Kamo’oalewa today to collect at least 100 grams via anchoring-drilling, hover-sampling and touch-and-go techniques; planned to depart Apr 24,...

    Sunday

    — Space Age Publishing Company (SPC),
    Global / Inter-Global
    Jul 5 — Space Age Publishing Company (SPC), Global / Inter-Global: SPC, publisher of Space Calendar and Lunar Enterprise Daily, observes 50 years since inception and looks towards the next 50 years of...
    — International Astronomical Union (IAU), International Society for the Study of the Origins of Life - The International Astrobiology Society (ISSOL),
    Paris, France
    Those in fields of chemistry, biology, planetary science and astrophysics are invited to explore the origins of life and habitability on Earth and beyond. The program will...

    Monday

    — Sun-Earth,
    Global / Inter-Global
    Occurs 07:30 HST / 17:30 UTC; Earth aphelion is the point in its elliptical orbit where it is farthest from the Sun, occurring annually in early July;...

    Saturday

    — International Lunar Observatory Association (ILOA Hawai'i), Space Age Publishing Company (SPC),
    Mountain View CA, USA
    At Computer History Museum with stellar participants from ILOA, IRG, SETI, NASA and more. 5 session themes: 21st Century Solar System Complete Exploration, Funding the Dream, Deep...

    Friday

    Monday

    — National Aeronautics and Space Administration (NASA),
    Global / Inter-Global
    First Human mission to land on Moon in 1969; 1st steps by humans on another World taken by Commander Neil Armstrong and Lunar Module Pilot Buzz Aldrin;...
    — Moon Village Association (MVA),
    Global / Inter-Global
    Celebrating the 1st people walking on the Moon / another celestial body – International Moon Day has been a recognized / endorsed declaration by the United Nations...
    — Purdue University,
    West Lafayette, Indiana
    Purdue University will bestow its newest honor – the Neil Armstrong Space Prize – upon those whose contributions to space in the preceding decade are deemed the...
    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 50 years ago; originally scheduled for July 4, landing was delayed until this...

    Tuesday

    — National Aeronautics and Space Administration (NASA), Solar System Exploration Research Virtual Institute (SSERVI),
    Moffett Field, Santa Clara County CA, USA
    Hosted by SSERVI Central Team at NASA Ames Research Center, Moffett Field CA, USA; online option available. The Forum will feature in-depth analyses of research targeting human...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    High Earth Orbit (HEO)
    NASA spacecraft in extended mission phase reaches 27th full year / begins 28th year of operations in space; instruments able to detect X-ray sources 100 times fainter...
  • Saturday

    — China National Space Administration (CNSA),
    Wenchang Space Launch Center, Hainan Island, China (19° N)
    NET Aug — CNSA to launch CE-7 mission which is planned to land at Moon South Pole to survey environment and resources with Relay Satellite, Orbiter, Lander...

    Sunday

    — Asia Oceania Geosciences Society (AOGS),
    Fukuoka, Japan
    From 02 to 07 August 2026, a few thousand geoscientists across diverse disciplines will gather at the 23rd annual meeting of the Asia Oceania Geosciences Society at the...

    Wednesday

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Heliocentric Orbit
    NASA craft surpasses another full year in space today, having launched Aug 12, 2018; probe came within ~6.16M km of the Sun on Dec 24, 2024 which...

    Monday

    Thursday

    — Indian Space Research Organisation (ISRO),
    Moon Orbit
    India orbiter surpasses another full year in lunar polar orbit since reaching the Moon in 2019; Chandrayaan-2 lander and rover were unsuccessful in lunar landing.

    Sunday

    — Indian Space Research Organisation (ISRO),
    Statio Shiv Shakti, 69.373°S 32.319°E, Moon Surface
    Chandrayaan-3 Vikram lander and Pragyan rover celebrated today after successfully landing on Moon in 2023; marking India as the 4th country to land on Moon, and 1st...
    — Small Satellite Conference, others,
    Salt Palace Convention Center, Salt Lake City UT, USA 100 South West Temple, Salt Lake City, UT, United States
    40th Annual Small Satellite Conference expects ~5,000 attendees, will spotlight technologies driving constellation success and celebrate thousands of people whose vision and collaboration have propelled the industry...
    $1000

    Sunday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment and its variability.
  • Tuesday